Robert Newman Books

Merlin s Mistake.

By Robert Newman

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The Case of the Indian Curse

By Robert Newman

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The Case of the Baker Street Irregular

By Robert Newman

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Andrew found London terrifying, especially after his guardian, sour old Mr. Dennison, was mysteriously abducted. Suddenly, Andrew was plunged into a series of bizarre, bombings, blackmail and murde...

The Case of the Somerville Secret

By Robert Newman

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Two Minute Math Drills Grades 3 and up

By Robert Newman

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The Case of the Baker Street Irregular

By Robert Newman

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All aboard ABC

By Robert Newman, Doug Magee

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Merlin's mistake

By Robert Newman

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When Merlin mistakenly endows him with the gift of knowing the future, Tertius finds it more burdensome than useful when all he really wants is to be a knight.

Case of the Vanishing Corpse

By Robert Newman

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Merlin s Mistake

By Robert Newman

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.